Worldwide Estimates of Current and Future Individuals (≥20 years) With Lower Urinary Tract Symptoms Including Urinary Incontinence and Overactive Bladder

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Worldwide Estimates of Current and Future Individuals (≥20 years) With Lower Urinary Tract Symptoms Including Urinary Incontinence and Overactive Bladder

Published 23 June 2008

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Prostatic benign hyperplasia (PBH) is being recognized as a growing health problem worldwide. The incidence of Prostatic Benign Hyperplasia (PBH) has rapidly increased as life expectancy has risen and is now the most common disease in the aging male. Association between PBH and overactive bladder is not uncommon. Patients may present with urgency and urge-incontinence. Quantification of symptoms using the IPSS should be carried out during the initial evaluation. A safe and effective method to evaluate the deleterious effects of bladder outlet obstruction is not yet known. The thickness of the bladder wall measured sonographically has been advocated as a minimally invasive technique and has been widely discussed. In the present study, we analyzed the correlation among bladder wall thickness (BWT), post-void residual volume, prostate volume, IPSS and OAB-V8 symptom questionnaire.

Methods

This prospective observational study included patients who underwent transrectal ultrasound (TRUS) guided prostate biopsy under local anesthesia from January to July 2007. Only patients who had a pre-void bladder volume ranging from 150 to 300 ml in the transrectal ultrasound evaluation were eligible for the study. Several clinical, laboratory and ultrasound parameters were collected including PSA, pre and post-void bladder volume, BWT, prostate volume, IPSS and fluxometry.

In the present study, patients with higher IPSS scores had larger prostate volumes (ultrasound evaluation). However, there was not statistical difference between mean BWT and parameters as post-void residual volume, IPSS and OAB-V8 score. The clinical relevance of bladder wall thickness and its association with symptoms of overactive bladder or bladder outlet obstruction should be further studied.